G13113313231323133313331333133313232233132313331323223313132332211   >>    G1311331323132313331333133313331323223313231333132322331313233221   <<    G13113313231323133313331333133313232233132313331323223313132332213   >>      G13113313231323133313331333133313232233132313331323223313132332212   >>